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SEWALLS FALLS ROAD over MERRIMACK RIVER

Map

Coordinates:
+43.27101, -71.56472
43°16'16" N, 71°33'53" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:SEWALLS FALLS ROAD over MERRIMACK RIVER
Structure number:005200700011700
Location:0.3 MI JCT RTE 132
Purpose:Carries highway over waterway
Route classification:Collector (Urban) [17]
Length of largest span:145.3 ft. [44.3 m]
Total length:407.2 ft. [124.1 m]
Roadway width between curbs:31.2 ft. [9.5 m]
Deck width edge-to-edge:40.4 ft. [12.3 m]
Owner:City or Municipal Highway Agency [04]
Year built:2016
Historic significance:Bridge is eligible for the National Register of Historic Places [2]
Number of main spans:3
Main spans material:Steel continuous [4]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: July 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:3,900 [as of 2013]
Truck traffic:3% of total traffic
Deck condition:Excellent [9 out of 9]
Superstructure condition:Excellent [9 out of 9]
Substructure condition:Excellent [9 out of 9]
Structural appraisal:Superior to present desirable criteria [9]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Channel protection:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Pier/abutment protection:In place and functioning [2]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:88.2 tons [80.2 metric tons]
Inventory rating:68.1 tons [61.9 metric tons]
Sufficiency rating:92.0
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$3,142,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
July 201792.0GoodExcellentExcellentExcellent-3900
November 201686.9GoodExcellentExcellentExcellent-3900
September 20150.0PoorSeriousCriticalSeriousSD3900
January 20150.0PoorSeriousCriticalSeriousSD3900
December 20130.0PoorSeriousCriticalSeriousSD4300
December 20120.0PoorPoorCriticalSeriousSD4300
October 20110.0PoorPoorCriticalSeriousSD4300
October 20100.0PoorPoorCriticalSeriousSD3900
October 20090.0PoorPoorCriticalSeriousSD3100
May 20080.0PoorPoorCriticalSeriousSD3100
October 20070.0PoorPoorSeriousSatisfactorySD2500
December 20060.0PoorPoorSeriousSatisfactorySD2500
February 20050.0PoorPoorSeriousSatisfactorySD2900
August 20030.0PoorPoorSeriousSatisfactorySD2900
December 20020.0PoorPoorPoorFairSD2900
October 20010.0PoorPoorSeriousSatisfactorySD2900
February 20000.0PoorPoorSeriousSatisfactorySD2900
December 19982.0PoorFairSeriousSatisfactorySD2900
October 19972.0PoorFairSeriousSatisfactorySD2900
December 19962.0PoorFairSeriousSatisfactorySD2900
October 199521.4PoorFairPoorSatisfactorySD2900
April 199521.4PoorFairPoorSatisfactorySD2900
May 199339.2FairFairFairSatisfactoryFO2900
December 199239.8FairFairFairSatisfactoryFO2000
October 199141.9FairFairFairSatisfactoryFO2100